Table 1. Summary of treatment and symptom change in patients.
*As of writing this paper
VAS: visual analog scale
| Patient | Location | Type of toxin | Number of units injected | Number of points of Injection | Concentration (units/ml) | Diluent | Number of repeat dosages per year | Symptom change | Average duration of improvement |
| 1 | Right hand | Abobotulinum toxin A | 300 | 10 | 30 units/1 ml | Saline | 0 | Notable weakness within the first 6 weeks of treatment that resolved; since 9 months post-treatment, she has continued improvement of her symptoms (e.g., improved skin quality) | 3 months |
| 2 | Right hand | Abobotulinum toxin A | 300 | 10 | 30 units/1 ml | Saline | 0 | Notable weakness within first 6–8 weeks of treatment that resolved; by 12 months post-treatment, she has continued improvement of her symptoms (e.g., less pain) | 3 months |
| 3 | Right hand | Abobotulinum toxin A | 300 | 10 | 30 units/1 ml | Lidocaine | 2 | Overall hand pain decreased from 8 to 2 out of 10 on VAS for pain, moderate weakness | 3.5 months |
| Abobotulinum toxin A | 270 | 10 | 54 units/1 ml | Lidocaine | 0 | Decreased hand pain, mild weakness | *3 months | ||
| Abobotulinum toxin A | 240 | 10 | 24 units/1 ml | Lidocaine | 0 | Decreased hand pain, minimal weakness | 10 months | ||
| Left hand | Abobotulinum toxin A | 240 | 10 | 24 units/1 ml | Saline | 0 | Decreased hand pain | 4 months | |
| Abobotulinum toxin A | 270 | 10 | 54 units/1 ml | Lidocaine | 0 | Decreased hand pain, mild weakness | 4 months | ||
| 4 | Left hand | Abobotulinum toxin A | 300 | 10 | 30 units/1 ml | Lidocaine | 0 | Decreased pain and skin induration, moderate weakness | 13 months |
| Left thumb | Abobotulinum toxin A | 120 | 4 | 60 units/1 ml | Lidocaine | 0 | Decreased pain | 6 months* | |
| Right hand | Abobotulinum toxin A | 300 | 10 | 30 units/1 ml | Lidocaine | 0 | Decreased pain | 13 months | |
| Right index finger | Abobotulinum toxin A | 120 | 4 | 60 units/1 ml | Lidocaine | 0 | Decreased pain | 6 weeks | |
| Right index finger | Abobotulinum toxin A | 60 | 4 | 60 units/1 ml | Lidocaine | 0 | Decreased pain | 5 months* | |
| Right ring finger | Abobotulinum toxin A | 120 | 4 | 60 units/1 ml | Lidocaine | 0 | Decreased pain | 11 months* | |
| Right fifth finger | Abobotulinum toxin A | 60 | 4 | 60 units/1 ml | Lidocaine | 0 | Decreased pain | 3 months* | |
| Left foot | Abobotulinum toxin A | 210 | 6 | 30 units/1 ml | Lidocaine | 0 | No pain in toes within 1 month of injections | 9 months | |
| Left great toe | Abobotulinum toxin A | 45 | 10 | 150 units/1 ml | Lidocaine | 0 | Decreased pain and skin induration | 6 months* | |
| Left fifth toe | Abobotulinum toxin A | 60 | 10 | 30 units/1 ml | Lidocaine | 0 | Decreased pain and skin induration | 6 months* |